Light failure small (its brightness half-life) 2000 hours ageing test light failure is less than 2%.
光衰小(其亮度半衰期)2000个小时老化测试光衰小于2%。
2
Used for light fastness, weather fastness and ageing test of all kinds of coloured textiles.
用于各种有色纺织品的耐光色牢度、耐气候色牢度及光老化试验。
3
The function includes ageing resistance, light catalytic technique, many important physical and mechanical properties. The paper puts forward some problems which is necessary to be resolved.